Chrome requires WebTouchPoint to store WebFloatPoint, instead of WebPoint.

content/common/input/synthetic_web_input_event_builders.cc

Index: content/common/input/synthetic_web_input_event_builders.cc
diff --git a/content/common/input/synthetic_web_input_event_builders.cc b/content/common/input/synthetic_web_input_event_builders.cc
index e2c29bfbe78b5a9bf7bacc2855b37ac13109e539..f5a8aa3f212d56e09cdc7fbae8a3127a1c90ee5d 100644
--- a/content/common/input/synthetic_web_input_event_builders.cc
+++ b/content/common/input/synthetic_web_input_event_builders.cc
@@ -159,7 +159,7 @@ void SyntheticWebTouchEvent::ResetPoints() {
   type = WebInputEvent::Undefined;
 }
 
-int SyntheticWebTouchEvent::PressPoint(int x, int y) {
+int SyntheticWebTouchEvent::PressPoint(float x, float y) {
   if (touchesLength == touchesLengthCap)
     return -1;
   WebTouchPoint& point = touches[touchesLength];
@@ -173,7 +173,7 @@ int SyntheticWebTouchEvent::PressPoint(int x, int y) {
   return point.id;
 }
 
-void SyntheticWebTouchEvent::MovePoint(int index, int x, int y) {
+void SyntheticWebTouchEvent::MovePoint(int index, float x, float y) {
   CHECK(index >= 0 && index < touchesLengthCap);
   WebTouchPoint& point = touches[index];
   point.position.x = point.screenPosition.x = x;